1121121102 has 16 divisors (see below), whose sum is σ = 2244621312. Its totient is φ = 373310520.

The previous prime is 1121121019. The next prime is 1121121103. The reversal of 1121121102 is 2011211211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121121103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92974 + ... + 104337.

It is an arithmetic number, because the mean of its divisors is an integer number (140288832).

Almost surely, 2^1121121102 is an apocalyptic number.

1121121102 is an abundant number, since it is smaller than the sum of its proper divisors (1123500210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121121102 is a wasteful number, since it uses less digits than its factorization.

1121121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198263.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1121121102 is about 33483.1465367280. The cubic root of 1121121102 is about 1038.8452116949.

Adding to 1121121102 its reverse (2011211211), we get a palindrome (3132332313).

The spelling of 1121121102 in words is "one billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred two".